Home / 7,545.39-11,313.66-2,278.82

Finding the Fourth Proportional to 7,545.39, 11,313.66 and 2,278.82

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Solution

The fourth proportional to 7,545.39, 11,313.66 and 2,278.82 is: 3,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.39 : 11,313.66 = 2,278.82 : x
  2. Step 2: Convert to fraction form
    7,545.39/11,313.66 = 2,278.82/x
  3. Step 3: Cross multiply
    7,545.39x = 11,313.66 × 2,278.82
  4. Step 4: Simplify right side
    7,545.39x = 25,781,738.11
  5. Step 5: Solve for x
    x = 25,781,738.11/7,545.39
  6. Step 6: Final answer
    x = 3,416.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.